package com.he.dao;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.he.entity.Room;

import java.util.List;

public interface RoomDao extends BaseMapper<Room> {

    List<Room> getRoomByHid(Integer hid);

    String getHotelNameByHid(Integer hid);

    void updateBNum(Integer bid, Integer num);
}
